EP2233698A3 - Apparatus for turbine engine cooling air management - Google Patents

Apparatus for turbine engine cooling air management Download PDF

Info

Publication number
EP2233698A3
EP2233698A3 EP10156460.7A EP10156460A EP2233698A3 EP 2233698 A3 EP2233698 A3 EP 2233698A3 EP 10156460 A EP10156460 A EP 10156460A EP 2233698 A3 EP2233698 A3 EP 2233698A3
Authority
EP
European Patent Office
Prior art keywords
cooling air
wheel space
turbine engine
sealing
turbine rotor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10156460.7A
Other languages
German (de)
French (fr)
Other versions
EP2233698A2 (en
EP2233698B1 (en
Inventor
Stephen William Tesh
John Ernest Tourigny
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of EP2233698A2 publication Critical patent/EP2233698A2/en
Publication of EP2233698A3 publication Critical patent/EP2233698A3/en
Application granted granted Critical
Publication of EP2233698B1 publication Critical patent/EP2233698B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/505—Shape memory behaviour

Abstract

An exemplary embodiment of the invention is directed to a turbine engine (10) having a first, rotatable turbine rotor assembly (58), a second, stationary nozzle assembly (52) disposed adjacent thereto and a wheel space (74) which is defined between the first, rotatable turbine rotor assembly and the second, stationary nozzle assembly. The wheel space (74) is operable to receive cooling air (80) therein and includes a sealing feature (96) located on the first rotatable turbine rotor assembly (58) that extends axially into the wheel space (74) to terminate adjacent to a sealing land (102) positioned on the second, stationary nozzle assembly (52). The sealing feature (102) and the sealing land (96) operate to control the release of cooling air from within the wheel space (74) and the sealing land (102) is constructed of shape memory alloy.
EP10156460.7A 2009-03-23 2010-03-15 Turbine engine Not-in-force EP2233698B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/409,160 US8277172B2 (en) 2009-03-23 2009-03-23 Apparatus for turbine engine cooling air management

Publications (3)

Publication Number Publication Date
EP2233698A2 EP2233698A2 (en) 2010-09-29
EP2233698A3 true EP2233698A3 (en) 2017-12-27
EP2233698B1 EP2233698B1 (en) 2018-12-05

Family

ID=42061172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10156460.7A Not-in-force EP2233698B1 (en) 2009-03-23 2010-03-15 Turbine engine

Country Status (4)

Country Link
US (1) US8277172B2 (en)
EP (1) EP2233698B1 (en)
JP (1) JP5695330B2 (en)
CN (1) CN101845997B (en)

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US8277172B2 (en) 2009-03-23 2012-10-02 General Electric Company Apparatus for turbine engine cooling air management
US8142141B2 (en) * 2009-03-23 2012-03-27 General Electric Company Apparatus for turbine engine cooling air management
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US9261022B2 (en) 2012-12-07 2016-02-16 General Electric Company System for controlling a cooling flow from a compressor section of a gas turbine
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US9638051B2 (en) 2013-09-04 2017-05-02 General Electric Company Turbomachine bucket having angel wing for differently sized discouragers and related methods
EP2949872A1 (en) * 2014-05-27 2015-12-02 Siemens Aktiengesellschaft Turbomachine with a seal for separating working fluid and coolant fluid of the turbomachine and use of the turbomachine
EP2949873A1 (en) 2014-05-27 2015-12-02 Siemens Aktiengesellschaft Turbomachine with an ingestion shield and use of the turbomachine
US20160376908A1 (en) * 2015-06-29 2016-12-29 General Electric Company Power generation system exhaust cooling
KR101695138B1 (en) * 2016-10-25 2017-01-10 두산중공업 주식회사 Rotor assembly with a sealing means and a turbine apparatus including the same
JP7405993B2 (en) 2019-12-31 2023-12-26 フローサーブ・ケーエスエム・カンパニー・リミテッド Stop seal for high temperature and high pressure applications
US11326462B2 (en) * 2020-02-21 2022-05-10 Mechanical Dynamics & Analysis Llc Gas turbine and spacer disk for gas turbine
US11674399B2 (en) 2021-07-07 2023-06-13 General Electric Company Airfoil arrangement for a gas turbine engine utilizing a shape memory alloy
US11668317B2 (en) 2021-07-09 2023-06-06 General Electric Company Airfoil arrangement for a gas turbine engine utilizing a shape memory alloy

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US5429478A (en) * 1994-03-31 1995-07-04 United Technologies Corporation Airfoil having a seal and an integral heat shield
US20080267770A1 (en) * 2003-04-09 2008-10-30 Webster John R Seal
US20070243061A1 (en) * 2006-04-18 2007-10-18 Taylor Mark D Seal between rotor blade platforms and stator vane platforms, a rotor blade and a stator vane

Also Published As

Publication number Publication date
US8277172B2 (en) 2012-10-02
JP5695330B2 (en) 2015-04-01
CN101845997A (en) 2010-09-29
CN101845997B (en) 2013-08-21
EP2233698A2 (en) 2010-09-29
EP2233698B1 (en) 2018-12-05
JP2010223226A (en) 2010-10-07
US20100239413A1 (en) 2010-09-23

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